1.环境准备：
硬件环境：windows10有蓝牙模块的主机
python：python3.7+版本
安装bleak包：pip install bleak
2.
import sys
import asyncio
from bleak import BleakClient
# 设备蓝牙地址
ADDRESS = "A0:9F:10:7E:1B:5D"
# 设备蓝牙UUID
UART_RX_CHAR_UUID = "49535343-8830-43F4-A8D4-ECBE34729B77"
UART_TX_CHAR_UUID = "49535343-1E4D-4BD9-BA61-23C647249677"
# 发送开门数据
openDoor_send = [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]
# 接收返回数据
openDoor_recive = [0x00, 0x00, 0x00, 0x00, 0x00, 0x0]
async def main(address):
async with BleakClient(address) as client:
print(f"Connected: {client.is_connected}")
paired = await client.pair(protection_level=2)
print(f"Paired: {paired}")
while client.is_connected:
while paired == True:
print("send data")
await client.write_gatt_char(UART_RX_CHAR_UUID,bytes(openDoor_send))
await client.start_notify(UART_TX_CHAR_UUID, handle_rx)
await asyncio.sleep(1.0)
print('Paired False')
print('Disconnected')
def print_hex(bytes):
l = [hex(int(i)) for i in bytes]
# print(" ".join(l))
return(" ".join(l))
def handle_rx(_: int, data: bytearray):
print("received:", print_hex(data))
print("expect:", print_hex(openDoor_recive))
hex_callback = print_hex(data)
if hex_callback == print_hex(openDoor_recive):
print('Data verification succeeded')
else:
print('Data verification failed')
async def main(address):
async with BleakClient(address) as client:
print(f"Connected: {client.is_connected}")
paired = await client.pair(protection_level=2)
print(f"Paired: {paired}")
while client.is_connected:
while paired == True:
print("send data")
await client.write_gatt_char(UART_RX_CHAR_UUID,bytes(openDoor_send))
await client.start_notify(UART_TX_CHAR_UUID, handle_rx)
await asyncio.sleep(1.0)
print('Paired False')
print('Disconnected')
if __name__ == "__main__":
asyncio.run(main(sys.argv[1] if len(sys.argv) == 2 else ADDRESS))
3.更多示例
